/* Exercise — Detail page: layout, rep max sidebar, sessions, charts */

/* Exercise Detail Layout */
.exercise-layout {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.sessions-main {
    flex: 1;
    min-width: 0;
}

/* Rep Max Sidebar */
.rep-max-sidebar {
    width: 160px;
    flex-shrink: 0;
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    border-radius: 10px;
    padding: 14px;
    position: sticky;
    top: 20px;
}

.rep-max-title {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
    text-align: center;
}

.rep-max-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.rep-max-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 8px;
    border-radius: 6px;
    background: #222;
}

.rep-max-row.actual {
    opacity: 1;
}

.rep-max-row.estimated {
    opacity: 0.5;
}

.rm-reps {
    font-size: 11px;
    font-weight: 700;
    color: #b8b8b8;
    width: 30px;
    flex-shrink: 0;
    font-family: 'SF Mono', 'Consolas', monospace;
}

.rep-max-row.actual .rm-reps {
    font-weight: 900;
}

.rm-weight-block {
    display: flex;
    flex-direction: column;
}

.rm-weight {
    font-size: 14px;
    font-weight: 900;
    color: #e0e0e0;
    font-family: 'SF Mono', 'Consolas', monospace;
    line-height: 1.2;
}

.rep-max-row.actual .rm-weight {
    color: #e5e5e5;
}

.rm-weight small {
    font-size: 10px;
    font-weight: 400;
    color: #666;
}

.rm-weight.no-data {
    color: #4a4a4a;
    font-size: 12px;
}

.rm-date {
    font-size: 10px;
    color: #959595;
    line-height: 1;
}

.rep-max-row.actual .rm-date {
    color: #b5b5b5;
}

/* Date Sections */
.date-section {
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    border-radius: 10px;
    margin-bottom: 16px;
    overflow: hidden;
}

.date-header {
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    padding: 16px 20px;
    background: #1f1f1f;
    border-bottom: 1px solid #2a2a2a;
}

/* Set Table */
.set-table {
    width: 100%;
    border-collapse: collapse;
}

.set-table thead th {
    text-align: left;
    padding: 10px 20px;
    font-size: 12px;
    text-transform: uppercase;
    color: #666;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-bottom: 1px solid #2a2a2a;
}

.set-table tbody tr {
    transition: background 0.1s;
}

.set-table tbody tr:hover {
    background: #222;
}

.set-table tbody td {
    padding: 12px 20px;
    font-size: 14px;
    border-bottom: 1px solid #1f1f1f;
    font-family: 'SF Mono', 'Consolas', monospace;
}

.set-table tbody tr:last-child td {
    border-bottom: none;
}

/* Chart */
.chart-section {
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.chart-title {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
}

.chart-buttons {
    display: flex;
    gap: 6px;
}

.toggle-btn {
    padding: 6px 14px;
    border-radius: 6px;
    border: 1px solid #3b82f6;
    background: transparent;
    color: #3b82f6;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
}

.toggle-btn.active {
    background: #3b82f6;
    color: #fff;
}

/* Responsive */
@media (max-width: 768px) {
    .exercise-layout {
        flex-direction: column;
    }

    .sessions-main {
        order: 2;
    }

    .rep-max-sidebar {
        width: 100%;
        position: static;
        order: 1;
        border: none;
        background: transparent;
        padding: 0;
        margin-bottom: 8px;
    }

    .rep-max-list {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 4px;
    }

    .rep-max-row {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 6px 4px;
        gap: 2px;
    }

    .rm-reps {
        width: auto;
    }

    .rm-weight-block {
        align-items: center;
    }

    .rm-weight {
        font-size: 12px;
    }

    .rm-reps {
        font-size: 10px;
    }

    .rm-date {
        font-size: 8px;
    }
}

@media (max-width: 600px) {
    .set-table thead th,
    .set-table tbody td {
        padding: 10px 12px;
    }
}